51.How can endurance athletes best postpone fatigue during their activity?
a.eat glucose periodically during the event
b.avoid sports drinks during exercise
c.fat load 1-3 days before the event
d.restrict fat calories to less than 20 percent of the diet
52.Calculate the calories needed from fat each day for a triathlete who requires 4500 calories a day.
a.550-700
b.750-875
c.900-1575
d.1580-1650
53.Protein is needed by the body to support an exercise program because of its role in:
a.contributing a major part of fuel in strength training.
b.sparing carbohydrate from being used for fuel.
c.repairing muscle tissue after exercise.
d.being converted to glycogen for storage in muscles.
54.Which of the following athletes would use the least protein for fuel during exercise?
a.Joe, who consumes a protein-rich diet
b.Charles, who consumes a fat-rich diet
c.Gary, who consumes a carbohydrate-rich diet
d.Rick, who consumes a diet rich in branched-chain amino acids
55.A high school football player is eating enough protein foods in his diet to provide him with 2.5 grams per kg of his body weight. What type of benefit will he get from his high protein intake?
a.This exceeds the recommendation for his sport so he should consider trading carbohydrate for some of the protein.
b.Although this exceeds the recommendation for his sport he will benefit from the additional protein as the body converts it to muscle mass.
c.This is an extremely toxic level that may cause serious health problems.
d.His body will adjust to the higher protein intake to require that amount on a regular basis.
56.Calculate the recommended daily protein intake for a female marathon runner weighing 126 pounds.
a.46-50 g
b.69-80 g
c.88-92 g
d.92-97 g
57.Calculate the protein needed by a male runner weighing 152 lb who is training for an upcoming competition. He participates in sprints and hurdling races.
a.55-76 g/day
b.83-117 g/day
c.83-97 g/day
d.117-138 g/day
58.An athlete takes vitamin and mineral supplements prior to competition because he believes they can enhance performance. You will explain to him that taking these supplements:
a.does not improve performance because there is not enough time for the nutrients to be combined with other appropriate parts so they can do their work.
b.is supported by research and advocated by health care professionals.
c.is beneficial because athletes tend to be deficient in vitamins and minerals.
d.improves performance because the nutrients flood the bloodstream during competition.
59.What would you tell a female long distance runner who is considering whether or not to begin taking an iron supplement?
a.She should avoid iron supplements because of possible problems with iron overload.
b.She needs to have medical testing of her blood iron values first to see if she needs it.
c.If she is on a vegetarian diet she is iron deficient and needs a supplement.
d.As a female endurance athlete she is definitely iron deficient and needs a supplement.
60.An athlete is in the early weeks of an aerobic training program and develops a decrease in hemoglobin concentration. Which of the following is true?
a.The condition is called sports anemia.
b.It probably reflects a low iron intake.
c.It goes away by itself.
d.a and b
e.a and c